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Implement UHSUB8 and UHSUB16 (#48)

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This commit is contained in:
Merry 2016-11-26 18:27:21 +00:00 • committed by GitHub
parent cb17f9a3ed
commit 0ff8c375af
5 changed files with 86 additions and 2 deletions
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8
src/frontend/ir/ir_emitter.cpp
View file

@ -328,6 +328,10 @@ Value IREmitter::PackedHalvingAddS8(const Value& a, const Value& b) {
return Inst(Opcode::PackedHalvingAddS8, {a, b});
}
Value IREmitter::PackedHalvingSubU8(const Value& a, const Value& b) {
return Inst(Opcode::PackedHalvingSubU8, {a, b});
}
Value IREmitter::PackedHalvingAddU16(const Value& a, const Value& b) {
return Inst(Opcode::PackedHalvingAddU16, {a, b});
}
@ -336,6 +340,10 @@ Value IREmitter::PackedHalvingAddS16(const Value& a, const Value& b) {
return Inst(Opcode::PackedHalvingAddS16, {a, b});
}
Value IREmitter::PackedHalvingSubU16(const Value& a, const Value& b) {
return Inst(Opcode::PackedHalvingSubU16, {a, b});
}
Value IREmitter::PackedSaturatedAddU8(const Value& a, const Value& b) {
return Inst(Opcode::PackedSaturatedAddU8, {a, b});
}

2
src/frontend/ir/ir_emitter.h
View file

@ -123,8 +123,10 @@ public:
Value ByteReverseDual(const Value& a);
Value PackedHalvingAddU8(const Value& a, const Value& b);
Value PackedHalvingAddS8(const Value& a, const Value& b);
Value PackedHalvingSubU8(const Value& a, const Value& b);
Value PackedHalvingAddU16(const Value& a, const Value& b);
Value PackedHalvingAddS16(const Value& a, const Value& b);
Value PackedHalvingSubU16(const Value& a, const Value& b);
Value PackedSaturatedAddU8(const Value& a, const Value& b);
Value PackedSaturatedAddS8(const Value& a, const Value& b);
Value PackedSaturatedSubU8(const Value& a, const Value& b);

2
src/frontend/ir/opcodes.inc
View file

@ -73,8 +73,10 @@ OPCODE(ByteReverseHalf, T::U16, T::U16
OPCODE(ByteReverseDual, T::U64, T::U64 )
OPCODE(PackedHalvingAddU8, T::U32, T::U32, T::U32 )
OPCODE(PackedHalvingAddS8, T::U32, T::U32, T::U32 )
OPCODE(PackedHalvingSubU8, T::U32, T::U32, T::U32 )
OPCODE(PackedHalvingAddU16, T::U32, T::U32, T::U32 )
OPCODE(PackedHalvingAddS16, T::U32, T::U32, T::U32 )
OPCODE(PackedHalvingSubU16, T::U32, T::U32, T::U32 )
OPCODE(PackedSaturatedAddU8, T::U32, T::U32, T::U32 )
OPCODE(PackedSaturatedAddS8, T::U32, T::U32, T::U32 )
OPCODE(PackedSaturatedSubU8, T::U32, T::U32, T::U32 )

16
src/frontend/translate/translate_arm/parallel.cpp
View file

@ -219,11 +219,23 @@ bool ArmTranslatorVisitor::arm_UHSAX(Cond cond, Reg n, Reg d, Reg m) {
}
bool ArmTranslatorVisitor::arm_UHSUB8(Cond cond, Reg n, Reg d, Reg m) {
return InterpretThisInstruction();
if (d == Reg::PC || n == Reg::PC || m == Reg::PC)
return UnpredictableInstruction();
if (ConditionPassed(cond)) {
auto result = ir.PackedHalvingSubU8(ir.GetRegister(n), ir.GetRegister(m));
ir.SetRegister(d, result);
}
return true;
}
bool ArmTranslatorVisitor::arm_UHSUB16(Cond cond, Reg n, Reg d, Reg m) {
return InterpretThisInstruction();
if (d == Reg::PC || n == Reg::PC || m == Reg::PC)
return UnpredictableInstruction();
if (ConditionPassed(cond)) {
auto result = ir.PackedHalvingSubU16(ir.GetRegister(n), ir.GetRegister(m));
ir.SetRegister(d, result);
}
return true;
}
} // namespace Arm